Domain Age - They've been around forever with tons of materials. Quality - good enough for most things. The newer stuff is not that bad and usually more practi

Domain Age - They've been around forever with tons of materials. Quality - good enough for most things. The newer stuff is not that bad and usually more practical(read quicker to grok for someone in a hurry) that the more thorough MDN docs. Dirty trick - association with w3 standards body (none in reality)